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Finding the Fourth Proportional to 710.03, 1,065.04 and 293.47

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Solution

The fourth proportional to 710.03, 1,065.04 and 293.47 is: 440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.03 : 1,065.04 = 293.47 : x
  2. Step 2: Convert to fraction form
    710.03/1,065.04 = 293.47/x
  3. Step 3: Cross multiply
    710.03x = 1,065.04 × 293.47
  4. Step 4: Simplify right side
    710.03x = 312,553.89
  5. Step 5: Solve for x
    x = 312,553.89/710.03
  6. Step 6: Final answer
    x = 440.20

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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.