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Finding the Fourth Proportional to 656.52, 983.52 and 529.08

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Solution

The fourth proportional to 656.52, 983.52 and 529.08 is: 792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.52 : 983.52 = 529.08 : x
  2. Step 2: Convert to fraction form
    656.52/983.52 = 529.08/x
  3. Step 3: Cross multiply
    656.52x = 983.52 × 529.08
  4. Step 4: Simplify right side
    656.52x = 520,360.76
  5. Step 5: Solve for x
    x = 520,360.76/656.52
  6. Step 6: Final answer
    x = 792.60

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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.