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Finding the Fourth Proportional to 611.56, 910.13 and 588.52

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Solution

The fourth proportional to 611.56, 910.13 and 588.52 is: 875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.56 : 910.13 = 588.52 : x
  2. Step 2: Convert to fraction form
    611.56/910.13 = 588.52/x
  3. Step 3: Cross multiply
    611.56x = 910.13 × 588.52
  4. Step 4: Simplify right side
    611.56x = 535,629.71
  5. Step 5: Solve for x
    x = 535,629.71/611.56
  6. Step 6: Final answer
    x = 875.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.