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Finding the Fourth Proportional to 529.88, 730.86 and 364.10

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Solution

The fourth proportional to 529.88, 730.86 and 364.10 is: 502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.88 : 730.86 = 364.10 : x
  2. Step 2: Convert to fraction form
    529.88/730.86 = 364.10/x
  3. Step 3: Cross multiply
    529.88x = 730.86 × 364.10
  4. Step 4: Simplify right side
    529.88x = 266,106.13
  5. Step 5: Solve for x
    x = 266,106.13/529.88
  6. Step 6: Final answer
    x = 502.20

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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.