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Finding the Fourth Proportional to 1,032.66, 1,549.35 and 383.58

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Solution

The fourth proportional to 1,032.66, 1,549.35 and 383.58 is: 575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.66 : 1,549.35 = 383.58 : x
  2. Step 2: Convert to fraction form
    1,032.66/1,549.35 = 383.58/x
  3. Step 3: Cross multiply
    1,032.66x = 1,549.35 × 383.58
  4. Step 4: Simplify right side
    1,032.66x = 594,299.67
  5. Step 5: Solve for x
    x = 594,299.67/1,032.66
  6. Step 6: Final answer
    x = 575.50

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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.