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Finding the Fourth Proportional to 1,508.89, 2,263.59 and 468.70

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Solution

The fourth proportional to 1,508.89, 2,263.59 and 468.70 is: 703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.89 : 2,263.59 = 468.70 : x
  2. Step 2: Convert to fraction form
    1,508.89/2,263.59 = 468.70/x
  3. Step 3: Cross multiply
    1,508.89x = 2,263.59 × 468.70
  4. Step 4: Simplify right side
    1,508.89x = 1,060,949.22
  5. Step 5: Solve for x
    x = 1,060,949.22/1,508.89
  6. Step 6: Final answer
    x = 703.13

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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.