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Finding the Fourth Proportional to 1,060.48, 1,590.36 and 367

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Solution

The fourth proportional to 1,060.48, 1,590.36 and 367 is: 550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.48 : 1,590.36 = 367 : x
  2. Step 2: Convert to fraction form
    1,060.48/1,590.36 = 367/x
  3. Step 3: Cross multiply
    1,060.48x = 1,590.36 × 367
  4. Step 4: Simplify right side
    1,060.48x = 583,662.12
  5. Step 5: Solve for x
    x = 583,662.12/1,060.48
  6. Step 6: Final answer
    x = 550.38

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Double scale
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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.