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Finding the Fourth Proportional to 1,457.37, 2,186.37 and 532.92

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Solution

The fourth proportional to 1,457.37, 2,186.37 and 532.92 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.37 : 2,186.37 = 532.92 : x
  2. Step 2: Convert to fraction form
    1,457.37/2,186.37 = 532.92/x
  3. Step 3: Cross multiply
    1,457.37x = 2,186.37 × 532.92
  4. Step 4: Simplify right side
    1,457.37x = 1,165,160.30
  5. Step 5: Solve for x
    x = 1,165,160.30/1,457.37
  6. Step 6: Final answer
    x = 799.50

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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.