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Finding the Fourth Proportional to 536.01, 739.64 and 314.99

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Solution

The fourth proportional to 536.01, 739.64 and 314.99 is: 434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.01 : 739.64 = 314.99 : x
  2. Step 2: Convert to fraction form
    536.01/739.64 = 314.99/x
  3. Step 3: Cross multiply
    536.01x = 739.64 × 314.99
  4. Step 4: Simplify right side
    536.01x = 232,973.93
  5. Step 5: Solve for x
    x = 232,973.93/536.01
  6. Step 6: Final answer
    x = 434.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.