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Finding the Fourth Proportional to 596.40, 895.06 and 390.92

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Solution

The fourth proportional to 596.40, 895.06 and 390.92 is: 586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.40 : 895.06 = 390.92 : x
  2. Step 2: Convert to fraction form
    596.40/895.06 = 390.92/x
  3. Step 3: Cross multiply
    596.40x = 895.06 × 390.92
  4. Step 4: Simplify right side
    596.40x = 349,896.86
  5. Step 5: Solve for x
    x = 349,896.86/596.40
  6. Step 6: Final answer
    x = 586.68

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1.5x scale

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.