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Finding the Fourth Proportional to 902.70, 1,246.59 and 593.10

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Solution

The fourth proportional to 902.70, 1,246.59 and 593.10 is: 819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.70 : 1,246.59 = 593.10 : x
  2. Step 2: Convert to fraction form
    902.70/1,246.59 = 593.10/x
  3. Step 3: Cross multiply
    902.70x = 1,246.59 × 593.10
  4. Step 4: Simplify right side
    902.70x = 739,352.53
  5. Step 5: Solve for x
    x = 739,352.53/902.70
  6. Step 6: Final answer
    x = 819.05

Related Problems

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Half scale
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Double scale
Find fourth proportional to 903.70, 1,247.97 and 594.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.