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Finding the Fourth Proportional to 597.45, 895.40 and 402.15

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Solution

The fourth proportional to 597.45, 895.40 and 402.15 is: 602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.45 : 895.40 = 402.15 : x
  2. Step 2: Convert to fraction form
    597.45/895.40 = 402.15/x
  3. Step 3: Cross multiply
    597.45x = 895.40 × 402.15
  4. Step 4: Simplify right side
    597.45x = 360,083.10
  5. Step 5: Solve for x
    x = 360,083.10/597.45
  6. Step 6: Final answer
    x = 602.70

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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.