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Finding the Fourth Proportional to 553.01, 829.51 and 292.37

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Solution

The fourth proportional to 553.01, 829.51 and 292.37 is: 438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553.01 : 829.51 = 292.37 : x
  2. Step 2: Convert to fraction form
    553.01/829.51 = 292.37/x
  3. Step 3: Cross multiply
    553.01x = 829.51 × 292.37
  4. Step 4: Simplify right side
    553.01x = 242,518.96
  5. Step 5: Solve for x
    x = 242,518.96/553.01
  6. Step 6: Final answer
    x = 438.55

Related Problems

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Half scale
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Double scale
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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.