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Finding the Fourth Proportional to 368.08, 552.08 and 246.40

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Solution

The fourth proportional to 368.08, 552.08 and 246.40 is: 369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.08 : 552.08 = 246.40 : x
  2. Step 2: Convert to fraction form
    368.08/552.08 = 246.40/x
  3. Step 3: Cross multiply
    368.08x = 552.08 × 246.40
  4. Step 4: Simplify right side
    368.08x = 136,032.51
  5. Step 5: Solve for x
    x = 136,032.51/368.08
  6. Step 6: Final answer
    x = 369.57

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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.