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Finding the Fourth Proportional to 595.77, 892.98 and 390.48

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Solution

The fourth proportional to 595.77, 892.98 and 390.48 is: 585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.77 : 892.98 = 390.48 : x
  2. Step 2: Convert to fraction form
    595.77/892.98 = 390.48/x
  3. Step 3: Cross multiply
    595.77x = 892.98 × 390.48
  4. Step 4: Simplify right side
    595.77x = 348,690.83
  5. Step 5: Solve for x
    x = 348,690.83/595.77
  6. Step 6: Final answer
    x = 585.28

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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.