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Finding the Fourth Proportional to 615.02, 848.53 and 588.06

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Solution

The fourth proportional to 615.02, 848.53 and 588.06 is: 811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.02 : 848.53 = 588.06 : x
  2. Step 2: Convert to fraction form
    615.02/848.53 = 588.06/x
  3. Step 3: Cross multiply
    615.02x = 848.53 × 588.06
  4. Step 4: Simplify right side
    615.02x = 498,983.98
  5. Step 5: Solve for x
    x = 498,983.98/615.02
  6. Step 6: Final answer
    x = 811.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.