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Finding the Fourth Proportional to 534.52, 805.57 and 529.66

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Solution

The fourth proportional to 534.52, 805.57 and 529.66 is: 798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.52 : 805.57 = 529.66 : x
  2. Step 2: Convert to fraction form
    534.52/805.57 = 529.66/x
  3. Step 3: Cross multiply
    534.52x = 805.57 × 529.66
  4. Step 4: Simplify right side
    534.52x = 426,678.21
  5. Step 5: Solve for x
    x = 426,678.21/534.52
  6. Step 6: Final answer
    x = 798.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.