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Finding the Fourth Proportional to 703.61, 971.24 and 529.46

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Solution

The fourth proportional to 703.61, 971.24 and 529.46 is: 730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.61 : 971.24 = 529.46 : x
  2. Step 2: Convert to fraction form
    703.61/971.24 = 529.46/x
  3. Step 3: Cross multiply
    703.61x = 971.24 × 529.46
  4. Step 4: Simplify right side
    703.61x = 514,225.23
  5. Step 5: Solve for x
    x = 514,225.23/703.61
  6. Step 6: Final answer
    x = 730.84

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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.