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Finding the Fourth Proportional to 696.59, 1,045.53 and 367.77

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Solution

The fourth proportional to 696.59, 1,045.53 and 367.77 is: 552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.59 : 1,045.53 = 367.77 : x
  2. Step 2: Convert to fraction form
    696.59/1,045.53 = 367.77/x
  3. Step 3: Cross multiply
    696.59x = 1,045.53 × 367.77
  4. Step 4: Simplify right side
    696.59x = 384,512.73
  5. Step 5: Solve for x
    x = 384,512.73/696.59
  6. Step 6: Final answer
    x = 552.00

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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.