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Finding the Fourth Proportional to 368.01, 551.93 and 247.01

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Solution

The fourth proportional to 368.01, 551.93 and 247.01 is: 370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.01 : 551.93 = 247.01 : x
  2. Step 2: Convert to fraction form
    368.01/551.93 = 247.01/x
  3. Step 3: Cross multiply
    368.01x = 551.93 × 247.01
  4. Step 4: Simplify right side
    368.01x = 136,328.23
  5. Step 5: Solve for x
    x = 136,328.23/368.01
  6. Step 6: Final answer
    x = 370.45

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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.