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Finding the Fourth Proportional to 1,566.73, 2,349.99 and 471.07

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Solution

The fourth proportional to 1,566.73, 2,349.99 and 471.07 is: 706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.73 : 2,349.99 = 471.07 : x
  2. Step 2: Convert to fraction form
    1,566.73/2,349.99 = 471.07/x
  3. Step 3: Cross multiply
    1,566.73x = 2,349.99 × 471.07
  4. Step 4: Simplify right side
    1,566.73x = 1,107,009.79
  5. Step 5: Solve for x
    x = 1,107,009.79/1,566.73
  6. Step 6: Final answer
    x = 706.57

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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.