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Finding the Fourth Proportional to 529.16, 730.28 and 504.05

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Solution

The fourth proportional to 529.16, 730.28 and 504.05 is: 695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.16 : 730.28 = 504.05 : x
  2. Step 2: Convert to fraction form
    529.16/730.28 = 504.05/x
  3. Step 3: Cross multiply
    529.16x = 730.28 × 504.05
  4. Step 4: Simplify right side
    529.16x = 368,095.24
  5. Step 5: Solve for x
    x = 368,095.24/529.16
  6. Step 6: Final answer
    x = 695.63

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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.