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Finding the Fourth Proportional to 536.95, 740.77 and 412.39

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Solution

The fourth proportional to 536.95, 740.77 and 412.39 is: 568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.95 : 740.77 = 412.39 : x
  2. Step 2: Convert to fraction form
    536.95/740.77 = 412.39/x
  3. Step 3: Cross multiply
    536.95x = 740.77 × 412.39
  4. Step 4: Simplify right side
    536.95x = 305,486.14
  5. Step 5: Solve for x
    x = 305,486.14/536.95
  6. Step 6: Final answer
    x = 568.93

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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.