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Finding the Fourth Proportional to 1,508.42, 2,263.70 and 534.52

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Solution

The fourth proportional to 1,508.42, 2,263.70 and 534.52 is: 802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.42 : 2,263.70 = 534.52 : x
  2. Step 2: Convert to fraction form
    1,508.42/2,263.70 = 534.52/x
  3. Step 3: Cross multiply
    1,508.42x = 2,263.70 × 534.52
  4. Step 4: Simplify right side
    1,508.42x = 1,209,992.92
  5. Step 5: Solve for x
    x = 1,209,992.92/1,508.42
  6. Step 6: Final answer
    x = 802.16

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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.