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Finding the Fourth Proportional to 602.54, 903.10 and 277.22

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Solution

The fourth proportional to 602.54, 903.10 and 277.22 is: 415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.54 : 903.10 = 277.22 : x
  2. Step 2: Convert to fraction form
    602.54/903.10 = 277.22/x
  3. Step 3: Cross multiply
    602.54x = 903.10 × 277.22
  4. Step 4: Simplify right side
    602.54x = 250,352.87
  5. Step 5: Solve for x
    x = 250,352.87/602.54
  6. Step 6: Final answer
    x = 415.50

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Double scale
Find fourth proportional to 603.54, 904.60 and 278.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.