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Finding the Fourth Proportional to 518.02, 714.13 and 370.60

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Solution

The fourth proportional to 518.02, 714.13 and 370.60 is: 510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    518.02 : 714.13 = 370.60 : x
  2. Step 2: Convert to fraction form
    518.02/714.13 = 370.60/x
  3. Step 3: Cross multiply
    518.02x = 714.13 × 370.60
  4. Step 4: Simplify right side
    518.02x = 264,656.58
  5. Step 5: Solve for x
    x = 264,656.58/518.02
  6. Step 6: Final answer
    x = 510.90

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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.