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Finding the Fourth Proportional to 595.31, 893.31 and 287.16

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Solution

The fourth proportional to 595.31, 893.31 and 287.16 is: 430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.31 : 893.31 = 287.16 : x
  2. Step 2: Convert to fraction form
    595.31/893.31 = 287.16/x
  3. Step 3: Cross multiply
    595.31x = 893.31 × 287.16
  4. Step 4: Simplify right side
    595.31x = 256,521.46
  5. Step 5: Solve for x
    x = 256,521.46/595.31
  6. Step 6: Final answer
    x = 430.90

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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.