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Finding the Fourth Proportional to 1,046.48, 1,569.98 and 461.59

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Solution

The fourth proportional to 1,046.48, 1,569.98 and 461.59 is: 692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.48 : 1,569.98 = 461.59 : x
  2. Step 2: Convert to fraction form
    1,046.48/1,569.98 = 461.59/x
  3. Step 3: Cross multiply
    1,046.48x = 1,569.98 × 461.59
  4. Step 4: Simplify right side
    1,046.48x = 724,680.84
  5. Step 5: Solve for x
    x = 724,680.84/1,046.48
  6. Step 6: Final answer
    x = 692.50

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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.