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Finding the Fourth Proportional to 528.47, 729.58 and 362.93

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Solution

The fourth proportional to 528.47, 729.58 and 362.93 is: 501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.47 : 729.58 = 362.93 : x
  2. Step 2: Convert to fraction form
    528.47/729.58 = 362.93/x
  3. Step 3: Cross multiply
    528.47x = 729.58 × 362.93
  4. Step 4: Simplify right side
    528.47x = 264,781.91
  5. Step 5: Solve for x
    x = 264,781.91/528.47
  6. Step 6: Final answer
    x = 501.04

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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.