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Finding the Fourth Proportional to 448.86, 672.93 and 277.50

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Solution

The fourth proportional to 448.86, 672.93 and 277.50 is: 416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.86 : 672.93 = 277.50 : x
  2. Step 2: Convert to fraction form
    448.86/672.93 = 277.50/x
  3. Step 3: Cross multiply
    448.86x = 672.93 × 277.50
  4. Step 4: Simplify right side
    448.86x = 186,738.08
  5. Step 5: Solve for x
    x = 186,738.08/448.86
  6. Step 6: Final answer
    x = 416.03

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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.