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Finding the Fourth Proportional to 700.96, 1,051.77 and 335.86

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Solution

The fourth proportional to 700.96, 1,051.77 and 335.86 is: 503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.96 : 1,051.77 = 335.86 : x
  2. Step 2: Convert to fraction form
    700.96/1,051.77 = 335.86/x
  3. Step 3: Cross multiply
    700.96x = 1,051.77 × 335.86
  4. Step 4: Simplify right side
    700.96x = 353,247.47
  5. Step 5: Solve for x
    x = 353,247.47/700.96
  6. Step 6: Final answer
    x = 503.95

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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.