Home / 976.02-1,463.77-359.79

Finding the Fourth Proportional to 976.02, 1,463.77 and 359.79

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Solution

The fourth proportional to 976.02, 1,463.77 and 359.79 is: 539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.02 : 1,463.77 = 359.79 : x
  2. Step 2: Convert to fraction form
    976.02/1,463.77 = 359.79/x
  3. Step 3: Cross multiply
    976.02x = 1,463.77 × 359.79
  4. Step 4: Simplify right side
    976.02x = 526,649.81
  5. Step 5: Solve for x
    x = 526,649.81/976.02
  6. Step 6: Final answer
    x = 539.59

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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.